Understanding Mortality Rate Deceleration and Heterogeneity

David Steinsaltz and Kenneth Wachter

Mathematical Population Studies, 2006, vol. 13, issue 1, 19-37

Abstract: Generic relationships between heterogeneity in population frailty and flattening of aggregate population hazard functions at extreme ages are drawn from classical mathematical results on the limiting behavior of Laplace transforms. In particular, it shows that the population hazard function converges to a constant precisely when the distribution of unobserved heterogeneity in initial mortalities behaves asymptotically as a polynomial near zero.

Keywords: frailty; heterogeneity; biodemography; hazard functions; Laplace transforms; mortality plateaus (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (20)

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DOI: 10.1080/08898480500452117

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Mathematical Population Studies is currently edited by Prof. Noel Bonneuil, Annick Lesne, Tomasz Zadlo, Malay Ghosh and Ezio Venturino

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